Home / 57,555.36-86,339.52-18,101.88

Finding the Fourth Proportional to 57,555.36, 86,339.52 and 18,101.88

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Solution

The fourth proportional to 57,555.36, 86,339.52 and 18,101.88 is: 27,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,555.36 : 86,339.52 = 18,101.88 : x
  2. Step 2: Convert to fraction form
    57,555.36/86,339.52 = 18,101.88/x
  3. Step 3: Cross multiply
    57,555.36x = 86,339.52 × 18,101.88
  4. Step 4: Simplify right side
    57,555.36x = 1,562,907,630.30
  5. Step 5: Solve for x
    x = 1,562,907,630.30/57,555.36
  6. Step 6: Final answer
    x = 27,154.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.